They're a classic winter sight — but can you tell different types of conifer trees apart? Here's what distinguishes fir, pine ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the White Spruce. This species is found in the North Woods of Northern Wisconsin and the Upper Peninsula of Michigan.

I'll tell you a little secret if you promise not to laugh. Before I studied horticulture I didn't know the difference among evergreens, spruce, pines or conifers. Before you skip today's column ...